package com.sky.mapper;

import com.sky.entity.ShoppingCart;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Update;

import java.util.List;

@Mapper
public interface ShoppingCartMapper {

    /*
     * 动态查询购物车
     * */
    List<ShoppingCart> list(ShoppingCart cart);


    @Update("update sky_take_out.shopping_cart set number = #{number} where id = #{id}")
    void updateNumberById(ShoppingCart cartInDB);

    /*
    * 添加购物车到表中
    * */

    void insert(ShoppingCart cart);

    /*
    * 根据用户id删除购物车数据
    * */
    @Delete("delete from sky_take_out.shopping_cart where user_id = #{userId}")
    void deleteByUserId(Long userid);

    /*
    * 根据id删除购物车数据
    * */
    @Delete("delete from sky_take_out.shopping_cart where id = #{id}")
    void deleteById(Long id);
    /**
     * 批量插入购物车数据
     *
     * @param shoppingCartList
     */
    void insertBatch(List<ShoppingCart> shoppingCartList);
}
